UL SUBJECT 489C

OUTLINE OF INVESTIGATION FOR MOLDED-CASE CIRCUIT BREAKERS AND MOLDED-CASE SWITCHES FOR USE WITH WIND TURBINES - Issue 1

contributor author	UL - UL
date accessioned	2017-09-04T17:37:40Z
date available	2017-09-04T17:37:40Z
date copyright	04/06/2012
date issued	2012
identifier other	DNVUUEAAAAAAAAAA.pdf
identifier uri	https://yse.yabesh.ir/std/handle/yse/160589
description abstract	These requirements cover molded-case circuit breakers and molded-case switches rated up to 690 V ac intended for use in wind turbine applications in nacelle, hub, tower, and ground installations. A circuit breaker or switch intended for use in wind turbine applications shall comply with the applicable requirements of UL 489, except as modified or supplemented by the following requirements. These circuit breakers and switches shall have the same construction and comply with the requirements for 600 V ac rated circuit breakers and switches. This Outline contains the following Supplements: a) Supplement SA – Additional tests for circuit breakers with electronic overcurrent protection; and b) Supplement SB – Electromagnetic compatibility (EMC) - Requirements and test methods for circuit breakers.
language	English
title	UL SUBJECT 489C	num
title	OUTLINE OF INVESTIGATION FOR MOLDED-CASE CIRCUIT BREAKERS AND MOLDED-CASE SWITCHES FOR USE WITH WIND TURBINES - Issue 1	en
type	standard
page	62
status	Active
tree	UL - UL:;2012
contenttype	fulltext